Milwaukee Weather Radar
Milwaukee Live Weather
Milwaukee Live Weather Radar
Milwaukee Hourly Weather Forecast
Milwaukee 7-Day Weather Forecast
Milwaukee Weather Overview
Milwaukee sits on Lake Michigan's western shore, where humid continental climate creates intense lake-effect snow, severe thunderstorms, and extreme temperature swings. The Milwaukee metro area averages 48.7 inches of snow and 34.57 inches of precipitation annually, with conditions that can shift dramatically within miles as lake-effect bands concentrate heavy snowfall over narrow zones while nearby areas stay clear.
Winter delivers Milwaukee's most dangerous weather conditions. The city's record low of −26°F hit on Cold Sunday (January 17, 1982) when Arctic air from Saskatchewan pushed into the Milwaukee region, creating wind chills well below −30°F. When northwest winds cross Lake Michigan during cold outbreaks, lake-effect snow bands form rapidly — Milwaukee weather radar shows exactly where these intense snow zones sit and whether they're moving toward your location. Blizzards combining heavy snow, winds above 35 mph, and near-zero visibility can paralyze the metro area for days.
Summer brings severe thunderstorms from April through August, producing large hail, damaging winds, and occasional tornadoes. On August 9-10, 2025, slow-moving storms dumped the Milwaukee area's second-highest two-day rainfall total in recorded history, causing flash flooding across the metro. Weather radar tracks these slow-moving cells before they stall over your neighborhood. Milwaukee's temperature extremes span 131 degrees — from that −26°F winter record to a summer high of 105°F set in July 1934. The NWS Milwaukee office (WFO MKX) in Sullivan monitors southeast Wisconsin weather patterns.
Milwaukee Weather Risks & Safety
Blizzard & Heavy Snow Risk
Milwaukee gets hit by blizzards when Arctic air combines with moisture — 12+ inches of snow, 35+ mph winds, near-zero visibility. On the radar you can watch the storm bands approach and figure out exactly when the worst will arrive. That timing matters: get your errands done before the bands reach you, and be ready for power outages and road closures that can last days.
Lake-Effect Snow Risk
Milwaukee gets lake-effect snow — and it's wild. Cold Arctic air blows over the warmer Great Lakes, picks up moisture, and dumps several inches of snow per hour in narrow bands. The tricky part: one neighborhood gets buried while another a few miles away sees blue sky. The radar is the only way to see where those bands are sitting and whether they're about to shift onto you.
Severe Thunderstorm Risk
Thunderstorms near Milwaukee may bring lightning, strong winds, hail, or heavy rain. Radar helps track precipitation position and movement, but it does not by itself confirm lightning at a location or the wind and hail conditions on the ground. Read current NWS forecasts, watches, and warnings for the expected hazards and timing. If a warning covers your location, follow its shelter instructions.
Extreme Cold & Wind Chill Risk
Extreme cold near Milwaukee can increase the risk of frostbite and hypothermia. Temperature, wind, exposure time, and available shelter all affect the risk. Precipitation radar does not measure air temperature or wind chill, and a clear map does not establish safe outdoor conditions. Check the local forecast and National Weather Service cold alerts, limit exposure as advised, and follow local guidance for protecting people, pets, and water pipes. Use heating equipment safely.
How to Use Milwaukee Weather Radar
Check Current Conditions
Look at the weather status bar at the top of the Milwaukee radar page — it shows temperature, humidity, wind speed, and current conditions at a glance.
Watch the Radar Map
The radar map shows precipitation and cloud cover moving across Milwaukee. Toggle between the two views and play the animation to see which direction storms are moving and how fast.
Check the Forecast
Scroll down to the hourly and 7-day forecast. Look for any winter storms and blizzards in the next few hours or days that could affect your plans in Milwaukee.
Plan Your Next Move
Rain moving in? Reschedule outdoor plans. Severe weather approaching? Check back more often — Milwaukee weather can shift fast during storm season.
Who Benefits from Milwaukee Weather Radar
Commuters & Drivers
Milwaukee commuters on I-94, I-43, and US-41 can check the radar before heading out to avoid whiteout lake-effect snow bands, flash flooding, or severe thunderstorm cells crossing their route.
Outdoor Enthusiasts
Runners along the Oak Leaf Trail, cyclists on the lakefront path, and park-goers at Lake Park need to monitor radar for sudden storm development — especially summer afternoons when severe thunderstorms form rapidly over hot, humid air.
Event Planners & Families
Outdoor events at American Family Field, Summerfest grounds, and festivals along the lakefront require constant radar monitoring during thunderstorm season and winter weather planning when blizzards threaten the region.
Outdoor Workers
Construction crews, utility workers, and outdoor service professionals across Greater Milwaukee rely on radar to time their work around incoming snow bands, thunderstorm cells, and dangerously cold Arctic fronts.